Black and White bold and playful - PLUS design by Tramake. Our super absorbent coasters feature a luxe matte ceramic finish, large surface area, and an impressive wieght. The unglazed ceramic is super absorbent - perfect for cold drinks. Heat tolerant as well. Cork lining add grip and protection. A fun way to add some color or pattern to any space. Great gifts! Set of 4 Coasters - 4.25" diameter - absorbent stone with cork underside. Ideal for cold drinks - catching condensation. Care: rinse spills immediately - dry cork side up.